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VOYEUR: Implemented first execution path through sInitPic

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This commit is contained in:
Paul Gilbert 2013-05-31 18:40:04 -04:00
parent 8e1325e538
commit 43d31cc334
4 changed files with 191 additions and 4 deletions
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4
engines/voyeur/files.cpp
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@ -510,6 +510,7 @@ PictureResource::PictureResource(BoltFilesState &state, const byte *src) {
_maskData = READ_LE_UINT32(&src[14]);
_imgData = NULL;
_secondPicture = NULL;
int nbytes = _bounds.width() * _bounds.height();
if (_flags & 0x20) {
@ -683,9 +684,10 @@ void ViewPortResource::setupViewPort(PictureResource *page, Common::Rect *clipRe
if (yDiff > 0)
r.setHeight(yDiff <= r.height() ? r.height() - yDiff : 0);
}
// clip = (0x20, 0x14, width: 0x140, height: 0C8h
_activePage = page;
_field18 = 0;
_clipRect = r;
_setupFn = setupFn;
_addFn = addFn;
_restoreFn = restoreFn;

7
engines/voyeur/files.h
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@ -204,6 +204,13 @@ public:
uint _planeSize;
byte *_imgData;
// TODO: Investigate further just why/how pictuers are chained
PictureResource *_secondPicture;
// TODO: Figure out if the following data is part of all pictures, or if
// only for certain types (when flags & 0x8000 != 0)
Common::Rect _bounds2;
Field86MethodPtr _field86;
public:
PictureResource(BoltFilesState &state, const byte *src);
virtual ~PictureResource();

177
engines/voyeur/graphics.cpp
View File

@ -31,8 +31,11 @@ namespace Voyeur {
GraphicsManager::GraphicsManager() {
_SVGAPage = 0;
_SVGAMode = 0;
_SVGAReset = 0;
_screenOffset = 0;
_palFlag = false;
_MCGAMode = false;
_saveBack = false;
_clipPtr = NULL;
}
@ -76,7 +79,7 @@ void GraphicsManager::setupMCGASaveRect(ViewPortResource *viewPort) {
Common::Rect *clipRect = _clipPtr;
_clipPtr = &viewPort->_clipRect;
sDrawPic(viewPort->_activePage, viewPort->_picResource, viewPort, NULL);
sDrawPic(viewPort->_activePage, viewPort->_picResource, Common::Point(), NULL);
_clipPtr = clipRect;
}
@ -96,8 +99,178 @@ void GraphicsManager::addRectNoSaveBack(ViewPortResource *viewPort, void *v2, vo
}
void GraphicsManager::sDrawPic(PictureResource *pic, PictureResource *pic2, ViewPortResource *viewPort, void *v3) {
void GraphicsManager::sDrawPic(PictureResource *srcPic, PictureResource *destPic,
const Common::Point &offset, void *v3) {
int var4C = 0;
int width1, width2;
int widthDiff, widthDiff2;
int height1;
int srcOffset;
int screenOffset;
int flags1, flags2;
PictureResource *saveddestPic = NULL;
Common::Rect newBounds;
Common::Rect backBounds;
int var24;
bool isClipped = false;
int var52;
int var20, var22;
int var26;
byte *imgData1, *imgData2;
byte *srcP, *destP;
if (srcPic->_flags & 0x8000) {
srcPic = srcPic->_secondPicture;
warning("TODO: Particularly validate 'extended' pictures");
}
if (destPic->_flags & 0x8000) {
saveddestPic = destPic;
destPic = destPic->_secondPicture;
warning("TODO: Particularly validate 'extended' pictures");
}
Common::Point ofs = Common::Point(offset.x + srcPic->_bounds.left - destPic->_bounds.left,
offset.y + srcPic->_bounds.top - destPic->_bounds.top);
width1 = width2 = srcPic->_bounds.width();
height1 = srcPic->_bounds.height();
srcOffset = 0;
flags1 = srcPic->_flags;
flags2 = destPic->_flags;
if (flags1 & 1) {
if (_clipPtr) {
int xs = _clipPtr->left - srcPic->_bounds.left;
int ys = _clipPtr->top - srcPic->_bounds.top;
newBounds = Common::Rect(xs, ys, xs + _clipPtr->width(), ys + _clipPtr->height());
} else if (saveddestPic) {
int xs = saveddestPic->_bounds2.left - destPic->_bounds.left;
int ys = saveddestPic->_bounds2.top - destPic->_bounds.top;
newBounds = Common::Rect(xs, ys, xs + destPic->_bounds2.width(), ys + destPic->_bounds2.height());
} else {
newBounds = Common::Rect(0, 0, destPic->_bounds.width(), destPic->_bounds.height());
}
var24 = ofs.y - newBounds.top;
if (var24 < 0) {
var52 = width2;
srcOffset -= var24 * var52;
height1 += var24;
ofs.y = newBounds.top;
if (height1 <= 0)
return;
isClipped = true;
}
var20 = newBounds.bottom - (ofs.y + height1);
if (var20 < 0) {
height1 += var20;
if (height1 <= 0)
return;
}
var22 = ofs.x - newBounds.left;
if (var22 < 0) {
srcOffset -= var22;
width2 += var22;
ofs.x = newBounds.left;
if (width2 <= 0)
return;
isClipped = true;
}
var26 = newBounds.right - (ofs.x + width2);
if (var26 < 0) {
width2 += var26;
if (width2 <= 0)
return;
isClipped = true;
}
}
screenOffset = ofs.y * destPic->_bounds.width() + ofs.x;
widthDiff = width1 - width2;
widthDiff2 = destPic->_bounds.width() - width2;
if (saveddestPic) {
error("TODO: Examine further when it's actually used");
if (!_saveBack || ((srcPic->_flags & 0x800) != 0)) {
// TODO
} else if (!saveddestPic->_field86) {
// TODO
} else {
int xs = ofs.x + destPic->_bounds.left;
int ys = ofs.y + destPic->_bounds.top;
backBounds = Common::Rect(xs, ys, xs + width2, ys + height1);
(this->*saveddestPic->_field86)(saveddestPic, saveddestPic->_bounds.top, backBounds);
}
}
if (flags1 & 0x1000) {
imgData1 = srcPic->_imgData + (var4C << 14) + _screenOffset;
for (uint idx = 0; idx < srcPic->_maskData; ++idx) {
if (var4C < 4) {
EMSMapPageHandle(srcPic->_planeSize, srcPic->_imgData[idx], var4C);
++var4C;
}
}
} else {
imgData1 = srcPic->_imgData;
}
if (flags2 & 0x1000) {
imgData2 = destPic->_imgData + (var4C << 14) + _screenOffset;
for (uint idx = 0; idx < srcPic->_maskData; ++idx) {
if (var4C < 4) {
EMSMapPageHandle(destPic->_planeSize, destPic->_imgData[idx], var4C);
++var4C;
}
}
} else {
imgData2 = destPic->_imgData;
}
_SVGAPage = _SVGAReset;
if (srcPic->_select != 0xff)
return;
if (srcPic->_pick == 0xff) {
if (flags1 & 8) {
error("TODO: sDrawPic");
} else {
srcP = imgData1 + srcOffset;
if (flags2 & 8) {
error("TODO: sDrawPic");
} else {
destP = imgData2 + screenOffset;
if (flags1 & 2) {
error("TODO: sDrawPic");
} else {
if (flags1 & 0x100) {
error("TODO: sDrawPic");
} else {
for (int yp = 0; yp < height1; ++yp) {
Common::copy(srcP, srcP + width2, destP);
destP += width2 + widthDiff2;
srcP += width2 + widthDiff;
}
}
}
}
}
} else {
error("TODO: sDrawPic");
}
}
void GraphicsManager::EMSMapPageHandle(int v1, int v2, int v3) {
// TODO
}
} // End of namespace Voyeur

7
engines/voyeur/graphics.h
View File

@ -45,6 +45,7 @@ typedef void (GraphicsManager::*GraphicMethodPtr)();
typedef void (GraphicsManager::*ViewPortSetupPtr)(ViewPortResource *);
typedef void (GraphicsManager::*ViewPortAddPtr)(ViewPortResource *, void *v2, void *v3);
typedef void (GraphicsManager::*ViewPortRestorePtr)(ViewPortResource *);
typedef void (GraphicsManager::*Field86MethodPtr)(void *pic, int y, Common::Rect &bounds);
class GraphicsManager {
public:
@ -55,9 +56,12 @@ public:
PictureResource *_backgroundPage;
int _SVGAPage;
int _SVGAMode;
int _SVGAReset;
ViewPortResource *_vPort;
bool _MCGAMode;
bool _saveBack;
Common::Rect *_clipPtr;
int _screenOffset;
private:
static void fadeIntFunc();
static void vDoFadeInt();
@ -77,7 +81,8 @@ public:
void restoreMCGASaveRect(ViewPortResource *viewPort);
void addRectNoSaveBack(ViewPortResource *viewPort, void *v2, void *v3);
void sDrawPic(PictureResource *pic, PictureResource *pic2, ViewPortResource *viewPort, void *v3);
void EMSMapPageHandle(int v1, int v2, int v3);
void sDrawPic(PictureResource *srcPic, PictureResource *destPic, const Common::Point &offset, void *v3);
};
} // End of namespace Voyeur